CN103501942A - Tool path generation device and hairline processing apparatus - Google Patents

Tool path generation device and hairline processing apparatus Download PDF

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Publication number
CN103501942A
CN103501942A CN201180070220.6A CN201180070220A CN103501942A CN 103501942 A CN103501942 A CN 103501942A CN 201180070220 A CN201180070220 A CN 201180070220A CN 103501942 A CN103501942 A CN 103501942A
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Prior art keywords
wire drawing
cutter path
cutter
workpiece
generating apparatus
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CN201180070220.6A
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CN103501942B9 (en
CN103501942B (en
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浅见聪一郎
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Makino Milling Machine Co Ltd
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Makino Milling Machine Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/06Grooving involving removal of material from the surface of the work
    • B26D3/065On sheet material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/28Grooving workpieces
    • B23C3/34Milling grooves of other forms, e.g. circumferential
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4093Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
    • G05B19/40937Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of machining or material parameters, pocket machining
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/35Nc in input of data, input till input file format
    • G05B2219/35097Generation of cutter path, offset curve
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/36Nc in input of data, input key till input tape
    • G05B2219/36185Application, for cylindrical groove shape
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/50Machine tool, machine tool null till machine tool work handling
    • G05B2219/50213Grooving of different forms or parallel to each other, grooving cycle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/02Other than completely through work thickness
    • Y10T83/0304Grooving

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Geometry (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Numerical Control (AREA)
  • Milling Processes (AREA)

Abstract

A tool path generation device (20) generates a tool path (L1) for processing hairline-shaped long and narrow grooves (Wa) in the surface (W0) of a workpiece, and is provided with a shape data acquisition unit for acquiring shape data relating to the workpiece, a parameter setting unit (23) for setting shape parameters of hairlines corresponding to the long and narrow grooves (Wa), and a path generation unit (24) for generating the tool path (L1) for processing the hairlines on the basis of the shape data acquired by the data acquisition unit and the shape parameters set by the parameter setting unit (23).

Description

Cutter path generating apparatus and Wire Drawing device
Technical field
The present invention relates to generate cutter path generating apparatus and the Wire Drawing device that the cutter path of use is processed in wire drawing (hairline).
Background technology
In the past, the known concavo-convex transfer materials that will be accompanied with the wire drawing shape was configured in the method (for example, with reference to patent documentation 1) that mould is interior, form the wire drawing pattern by processing the surface that is formed in formed body in type.Yet the method is due to the needs transfer materials, so improper concerning a large amount of productions of formed body.
On the other hand, the also known surface with sand paper and/or metallic brush friction mould and form a plurality of superfine grooves, do not use transfer materials and obtain presenting the method (for example, with reference to patent documentation 2) of the formed body of the wire drawing pattern corresponding with superfine groove.
Yet, in the method for putting down in writing at above-mentioned patent documentation 2, owing to sand paper and/or metallic brush, forming superfine groove, so the deviation of the surface configuration of each mould is large.Therefore, in the situation that used different moulds to be difficult to obtain the wire drawing pattern of same shape, shape of product is unstable.
The prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 1-141014 communique
Patent documentation 2: Japanese kokai publication hei 10-71677 communique
Summary of the invention
The present invention is a kind of cutter path generating apparatus, generates for go out the cutter path of the elongated slot of wire drawing shape in the Surface Machining of workpiece, possesses: the shape data obtaining section, and it obtains the shape data of workpiece; Setting parameter section, it sets the form parameter of the wire drawing corresponding with elongated slot; With the path generating unit, its shape data based on being obtained by the data obtaining section and the form parameter of being set by setting parameter section, generate the cutter path that Wire Drawing is used.
In addition, the present invention is a kind of Wire Drawing device, go out the elongated slot of wire drawing shape in the Surface Machining of workpiece, and possess above-mentioned cutter path generating apparatus and lathe, this lathe makes cutter be relatively moved with respect to workpiece according to the cutter path generated by the cutter path generating apparatus, thereby processes elongated slot at surface of the work.
The accompanying drawing explanation
Fig. 1 means the figure of the structure of the Wire Drawing device with cutter path generating apparatus that embodiments of the present invention relate to.
Fig. 2 means the stereogram that has carried out an example of the resulting surface of the work of Wire Drawing by the Wire Drawing device of Fig. 1.
Fig. 3 A means the stereogram of an example in basic-cutter path.
Fig. 3 B means the stereogram of an example of wire drawing cutter path.
Fig. 4 means the block diagram of structure of the control device of Fig. 1.
Fig. 5 A means the figure of an example of wire drawing cutter path.
Fig. 5 B means the cutaway view of the surface of the work shape that the wire drawing cutter path of application drawing 5A obtains.
Fig. 6 A means the figure of the variation of Fig. 5 A.
Fig. 6 B means the cutaway view of the surface of the work shape that the wire drawing cutter path of application drawing 6A obtains.
Fig. 7 A means other the figure of variation of Fig. 5 A.
Fig. 7 B means other other the figure of variation of Fig. 5 A.
Fig. 8 A means the figure of an example of the amplitude direction that is attached to the wire drawing on curved surface of the work.
Fig. 8 B means the figure of other examples of the amplitude direction that is attached to the wire drawing on curved surface of the work.
The specific embodiment
Below, with reference to Fig. 1~Fig. 8 B, the embodiment of cutter path generating apparatus of the present invention is described.Fig. 1 means the figure of the structure of the Wire Drawing device with cutter path generating apparatus that embodiments of the present invention relate to.This Wire Drawing device has the lathe 100 that the control device 10 that comprises the cutter path generating apparatus and controlled device 10 are controlled, and carries out Wire Drawing by 100 pairs of surface of the works of lathe.
Fig. 2 means that the Wire Drawing device by Fig. 1 carries out the stereogram of an example of the surface of the work that Wire Drawing obtains.Wire drawing, refer to the tiny flaw of the fineness degree of the hair of giving along a direction at surface of the work, and it presents elongated groove shape.In Fig. 2, formed the elongated slot Wa of a plurality of wire drawing shapes at surface of the work W0 by Wire Drawing, have the wire drawing pattern of strip at surface of the work W0 by this elongated slot Wa.
Structure for the lathe 100 of Fig. 1 describes.As lathe 100, for example use vertical machining centre.Erect and be provided with column 2 on lathe bed 1, on column 2, via Linear feed mechanism, in the mode that can above move at above-below direction (Z-direction), be supported with main tapping 3.Via main shaft, cutter 4 is installed down on main tapping 3.Cutter 4 is such as being the rotary cutters such as slotting cutter or drill bit, and at least can use top ends to form the rotary cutter of the tapered suitable with the width of elongated slot Wa.Cutter 4 is rotarilyd actuate by main tapping 3 inner main axis motors.
On lathe bed 1, be supported with saddle 5 via Linear feed mechanism in mode that (Y direction) above moves in the horizontal direction, be supported with workbench 6 in the mode that can above move in the horizontal direction perpendicular to Y direction (X-direction) on saddle 5.Linear feed mechanism for example consists of the servo motor of ball-screw and rotary actuation ball-screw.By this structure, cutter 4 and workpiece W are relatively moved processing work W on 3 normal axis directions (X, Y, Z direction).
Spindle Motor and each servo motor are controlled according to the controlled device 10 of procedure respectively.The motion track of setting cutter 4 in procedure is as cutter path, and cutter 4 is relatively moved with respect to workpiece W along this cutter path.
Procedure is to utilize known CAD/CAM system to make.That is, the cad data that the machining shape based on workpiece W is corresponding, the set of making small straight line instruction is the CAM data.Because these CAM data comprise the point group data of huge amount, so to become and the matched data volume of procedure, make the procedure that contains a plurality of processing instruction points according to predetermined rule interval rejecting data from the CAM data.
Fig. 3 A means that the cutter path L0(obtained by the CAM data is called the basic-cutter path) the stereogram of an example.In Fig. 3 A, show the basic-cutter path L0 that planar portions (the surface of the work W0 that is equivalent to Fig. 2) to extending is added man-hour on the XY plane.Basic-cutter path L0 is from processing initial point P0, and by respectively being offset scheduled volume along Y-direction and forming along the linearly round continuous multiple row processing stroke of directions X.
In the present embodiment, by the processing in control device 10, generate basic-cutter path L0, and this basic-cutter path L0 is added to the wire drawing of waveform shape in the XZ plane perpendicular to the XY plane.Thus, basic-cutter path L0 is transformed to the cutter path L1(that Wire Drawing uses and is called the wire drawing cutter path), as shown in Figure 3 B, generate wire drawing cutter path L1.
Fig. 4 means the block diagram of the structure of control device 10.Control device 10 has: cutter path generating apparatus 20, and its shape data based on CAD11 generates basic-cutter path L0, and basic-cutter path L0 is transformed to wire drawing cutter path L1; With numerical control device 12, its control is arranged at each motor 13 of the feed shaft driving use of lathe 100, and cutter 4 is relatively moved along the relative workpiece W of wire drawing cutter path L1.Numerical control device 12 comprises: the program reading part, and it reads in the NC data that set in the procedure 25 of cutter path generating apparatus 20; Acceleration and deceleration control section, it controls the acceleration and deceleration of the motor 13 of lathe 100; With interpolation operation section, the target amount of movement of each feed shaft of its computing directions X, Y-direction and Z direction.
Cutter path generating apparatus 20 has: CAM21, and its shape data based on CAD11, make the procedure 22 that contains basic-cutter path L0; Configuration part 23, it sets the various setting values relevant to the wire drawing that will be attached to surface of the work; With path transformation component 24, its data based on from CAM21 and the setting value of configuration part 23, make the procedure 25 that contains wire drawing cutter path L1.
Configuration part 23 is configured to input units such as comprising guidance panel and/or keyboard and stores the storage device via the input value of input unit input.The form parameter of the 23 pairs of wire drawings in configuration part and/or the limits value of wire drawing shape etc. are set.That is, the form parameters such as the initial phase of the wire drawing that presents waveform shape, amplitude, cycle and/or the limits values such as the maximum in amplitude and cycle, minimum of a value are set.
Path transformation component 24 be configured to comprise there is CPU, the arithmetic processing apparatus such as ROM, RAM.The form parameter of path transformation component 24 based on being set by configuration part 23, to basic-cutter path L0, additional wire drawing is transformed to wire drawing cutter path L1 by basic-cutter path L0, thereby makes procedure 25.
Fig. 5 A means the figure of the example of wire drawing cutter path L1.In Fig. 5 A, by the sine wave on the XZ axle, show wire drawing cutter path L1.On sine wave in the drawings, the distance X of distance processing starting point P0 is expressed as follows by formula (I) with the relation of the displacement Z apart from X-axis.
Z=A·sin((2π/λ)·X+α) (I)
α, A and the λ of top formula (I) are respectively initial phase, amplitude and cycle.Therefore, if in configuration part 23, initial phase α, amplitude A and cycle λ are set as to the form parameter of wire drawing, and, set the position relationship (the offset Δ Z of Z direction) of sinusoidal wave datum line (X-axis) and basic-cutter path L0, just can in path transformation component 24, determine uniquely the waveform shape of wire drawing.In addition, in Fig. 5 A, basic-cutter path L0 is positioned on X-axis, and Δ Z is set to 0.
Fig. 5 B means by the cutaway view of the surface configuration of the workpiece W of the wire drawing cutter path L1 formation of Fig. 5 A.In Fig. 5 B, show after for example along basic-cutter path L0, surface of the work W0 being processed into to reservation shape, along wire drawing cutter path L1, surface of the work W0 carried out to the example of Wire Drawing.Therefore, when Wire Drawing, in range delta x1 above cutter path L1 process basic-cutter path L0, cutter 4 is through the top (dotted line) of surface of the work W0, in range delta x2 below cutter path L1 process basic-cutter path L0, along cutter path L1, surface of the work W0 is processed to (solid line).Therefore, in Fig. 5 B, elongated slot Wa must form surface of the work W0 is discontinuous.
In addition, and not separated carrying out along the processing of the surface of the work W0 of basic-cutter path L0 with along the Wire Drawing of wire drawing cutter path L1, also can carry out these processing simultaneously.In this case, whether be positioned at the below (workpiece side) of basic-cutter path L0 by the wire drawing cutter path L1 shown in the 24 process decision chart 5A of cutter path configuration part, L1 be arranged in L0 below range delta x2, L1 is directly made to the procedure 25 that Wire Drawing uses as cutter path and gets final product.On the other hand, L1 be arranged in L0 above range delta x1, the procedure 25 of making surface of the work processing use using L0 as cutter path gets final product.
In Fig. 5 A, although by the datum line L2(X axle of wire drawing waveform) be made as 0 apart from the offset Δ Z of basic-cutter path L0, also Δ Z can be set as beyond 0.Fig. 6 A means the figure of this example, in Fig. 6 A, Δ Z is equated with amplitude A with setting.The continuous elongated slot Wa that must form the wire drawing shape on surface of the work W0 as shown in Figure 6B thus.In addition, also Δ Z can be set to ground more greater or lesser than amplitude A.In the situation that surface of the work W0 is carried out Wire Drawing and reserves allowance for finish, also can consider that this allowance for finish sets Δ Z.
Although initial phase α, amplitude A and the wavelength X of top formula (I) can be set as to constant, also these values can be set as having the variable of repeatability.For example, also can set α, A, λ by the random number R with repeatability.At this, there is repeatability and refer to, can produce the situation of same random number series, for example can use the linear congruential method shown in following formula (II) to obtain.
Rn+1=(B·Rn+C)modM (II)
Above formula (II) in, B, C, M are constants, when the Rn of the formula to top (II) input initial value R0, produce there is periodic simulation random number series R1, R2 ...That is, random number series is determined according to constant B, C, M and initial value R0 are unique.
Set initial phase α, amplitude A and wavelength X in the situation that use such random number series, function alpha=the f1(R that means initial phase α and the relation of random number R if pre-determine), mean the function A=f2(R of the relation of amplitude A and random number R) and the function lambda=f3(R of the relation of expression wavelength X and random number R), can calculate using random number R as parameter initial phase α, amplitude A and wavelength X.
Specifically, in the use the formula of face (II) calculate random number series R1, R2 ... after, for example using random number R 1 as parameter by α=f1(R1) calculate initial phase α.The 1st cycle, the 2nd cycle ..., the n cycle amplitude A 1, A2 ..., An be by random number series R1, R2 ..., Rn passes through A1=f2(R1 as parameter), A2=f2(R2) ..., An=f2(Rn) calculate successively.The 1st cycle, the 2nd cycle ..., the n cycle wavelength X 1, λ 2 ..., λ n be by random number series R1, R2 ..., Rn as parameter by λ 1=f3(R1), λ 2=f3(R2) ..., λ n=f3(Rn) calculate successively.The initial phase α that calculates and amplitude A, the wavelength X corresponding with each cycle are set as respectively to form parameter.By formula above form parameter substitution (I) by this, can obtain the wire drawing waveform in each cycle.
In this case, when calculated amplitude A and wavelength X, consider maximum and the minimum of a value of predetermined amplitude A and wavelength X in configuration part 23, in the scope of maximum and minimum of a value, calculated amplitude A and wavelength X get final product.Can form thus amplitude A and wavelength X and be converged in the wire drawing pattern in predetermined scope.In addition, also can determine above-mentioned function f 2(R), f3(R) so that amplitude A and wavelength X in the scope of maximum and minimum of a value.
Used the setting of initial phase α, amplitude A and the wavelength X of above random number R to be undertaken by configuration part 23 by making configuration part 23 there is calculation function.In addition, also can only set various setting value B, C, M, R0 by configuration part 23, and use these setting values to carry out the computing of initial phase α, amplitude A and wavelength X by path transformation component 24.
Above, although be illustrated for the situation that forms wire drawing by sine wave, also can form by the ripple beyond sinusoidal wave.Fig. 7 A shows the example that forms wire drawing by square wave.In this embodiment, the initial phase α of wire drawing waveform, amplitude A, wavelength X and horizontal range d are set by configuration part 23 as form parameter.Also can set these form parameters by random number R equally with above-mentioned.In this case, also can pre-determine maximum, the minimum of a value of amplitude A, wavelength X and horizontal range d, in the scope of maximum and minimum of a value, computing respectively is worth A, λ, d.
Fig. 7 B means to form by composite wave the example of wire drawing.In this embodiment, synthetic 2 sine waves generate composite wave.Composite wave in this situation is expressed as follows by formula (III).
y=2sin(exp(1)x)+sin(x+log(2)) (III)
The work of Wire Drawing device that gathers present embodiment is as follows.
At first, as the work of cutter path generating apparatus 20, the shape data of the workpiece W that CAM21 is obtained obtain by CAD11.CAM21, based on this cad data, makes the procedure 22 that contains basic-cutter path L0.As shown in Figure 8 A, in the situation that workpiece W has for example mould of the shaping use of curved face part, CAM21 generates the curvilinear basic-cutter path L0 along surface of the work.
On the other hand, preset the form parameter of the wire drawing that will be attached to surface of the work in configuration part 23.For example form the wire drawing waveform by sine wave, with utilizing the random number series that linear congruential method obtains to set in the situation of initial phase α, amplitude A, cycle λ, presetting constant B, C, M and the initial value R0 of top formula (II) by the user.Also set from basic-cutter path L0(surface of the work W0 simultaneously) to the offset Δ Z of the datum line L2 of wire drawing waveform.
The form parameter of path transformation component 24 based on being set by configuration part 23, be transformed to wire drawing cutter path L1 to the additional wire drawing of basic-cutter path L0 by basic-cutter path L0, thereby make procedure 25.In this case, the amplitude A of wire drawing is for example set to predetermined predetermined direction as shown in the arrow of Fig. 8 A.In addition, also can, as shown in the arrow of Fig. 8 B, to the normal vector direction of basic-cutter path L0, carry out set amplitude A.
The NC data that numerical control device 12 is set based on processed program 25, the feed shaft of controlling lathe 100 drives each motor 13 of use.Thus, can process at surface of the work W0 the elongated slot Wa of wire drawing shape.As described above, for example when the Surface Machining at mould after elongated slot Wa, while with this mould, being processed into body, be attached with the transfer printing of wire drawing pattern as elongated slot Wa on the surface of formed body.
In this case, because the shape basis of elongated slot Wa is unique by the form parameter of the wire drawing of configuration part 23 settings, determine, so can access a plurality of moulds with same surface configuration.Therefore, even in the situation that used different moulds, also can be at the additional same wire drawing pattern in the surface of formed body.In addition, workpiece W can not be also mould, for example also can directly carry out Wire Drawing on the surface of product.
Can access following such action effect according to present embodiment.
(1) by CAM21, the shape data based on workpiece W generates basic-cutter path L0, set the form parameter of the wire drawing corresponding with elongated slot Wa by configuration part 23, by path transformation component 24, based on this form parameter, basic-cutter path L0 is transformed to wire drawing cutter path L1.Thus, can generate according to the well-determined cutter path L1 of form parameter, thereby can access each workpiece, not have wire drawing pattern devious.Therefore, in the situation that Wire Drawing is carried out in the surface of mould, a plurality of moulds of mutual same shape can be accessed, thereby a plurality of formed bodies with same wire drawing pattern can be easily obtained.
(2) be set as form parameter due to the initial phase α by the wire drawing waveform, cycle λ and amplitude A, so, even in the situation that wire drawing presents waveform shape, also can access each workpiece and not have wire drawing pattern devious.
(3), by wire drawing is made to waveform shape, can easily process at surface of the work W0 the elongated slot Wa of different depth.
(4) set initial phase α, amplitude A and the cycle λ of wire drawing waveform owing to using by setting value B, C, the well-determined random number series R of M, R0, so be the wire drawing with repeatability, can make again the out-of-shape ground of elongated slot Wa change.
(5) owing to being preset maximum and the minimum of a value of amplitude A and cycle λ by configuration part 23, set amplitude A and cycle λ in the scope of maximum and minimum of a value, so even in the situation that used random number R also amplitude A and cycle λ can be converged in preset range.
In addition, in the above-described embodiment, although add the wire drawing of waveform at surface of the work W0, the shape of wire drawing is not limited to this.For example, also can be in the certain wire drawing of surface of the work W0 additional depth.Therefore, also be not limited to the above as the processing in the configuration part 23 of setting parameter section.
Although obtained the shape data (cad data) of workpiece W by CAM21, also the shape data obtaining section can be arranged on CAM parts in addition.Although based on cad data, generate basic-cutter path L0 by CAM21, and then by the form parameter of path transformation component 24 based on wire drawing of other different from CAM21, basic-cutter path L0 is transformed to wire drawing cutter path L1, but the structure of path setting section is not limited to this.For example, also can make CAM itself there is the function that basic-cutter path L0 is transformed to wire drawing cutter path L1.Be not basic-cutter path L0 to be transformed to wire drawing cutter path L1 obtain the cutter path L1 that Wire Drawing is used, but form parameter that can be based on cad data and the wire drawing corresponding with elongated slot Wa directly generate the cutter path L1 that Wire Drawing is used.
In the above-described embodiment, although the vertical machining centre by 3 axle processing use forms lathe 100, but, so long as can make the relative workpiece W of cutter 4 be relatively moved and process elongated slot Wa at surface of the work W0 according to the cutter path generated by cutter path generating apparatus 20, just also can use other lathe.Cutter path generating apparatus of the present invention can be applied to such as horizontal Machining centers, the machining center of 5 axle processing use, the various lathes such as lathe beyond machining center.In Fig. 5 A, Fig. 5 B, although set wire drawing on the XZ plane, also can YZ plane, XY plane, inclined plane etc. other plane or curved surface on set wire drawing.
According to the present invention, because the form parameter of the shape data of the workpiece based on being obtained by the data obtaining section and the wire drawing set by setting parameter section generates the cutter path that Wire Drawing is used, so can easily form at surface of the work the wire drawing pattern of same shape.
Description of reference numerals
10 control device
12 numerical control devices
13 motors
20 cutter path generating apparatus
21 CAM
23 configuration parts
24 path transformation components
100 lathes
L0 basic-cutter path
L1 wire drawing cutter path

Claims (5)

1. a cutter path generating apparatus, generate for go out the cutter path of the elongated slot of wire drawing shape in the Surface Machining of workpiece, wherein, possesses:
The shape data obtaining section, it obtains the shape data of described workpiece;
Setting parameter section, it sets the form parameter of the wire drawing corresponding with described elongated slot; With
The path generating unit, its shape data based on being obtained by described data obtaining section and the form parameter of being set by described setting parameter section, generate the cutter path that Wire Drawing is used.
2. cutter path generating apparatus according to claim 1, wherein,
The shape data of described path setting section based on being obtained by described shape data obtaining section, generation is along the basic-cutter path of surface of the work, and then the form parameter based on being set by described setting parameter section, described basic-cutter path is transformed to the cutter path that described Wire Drawing is used.
3. cutter path generating apparatus according to claim 1 and 2, wherein,
Described setting parameter section sets described form parameter so that described wire drawing presents waveform.
4. cutter path generating apparatus according to claim 3, wherein,
Described setting parameter section sets initial phase, cycle and the amplitude of described waveform.
5. a Wire Drawing device, go out the elongated slot of wire drawing shape in the Surface Machining of workpiece, wherein, possess:
Cutter path generating apparatus according to claim 1; With
Lathe, it makes cutter be relatively moved with respect to described workpiece according to the cutter path generated by described cutter path generating apparatus, at surface of the work, processes described elongated slot.
CN201180070220.6A 2011-04-19 2011-04-19 Tool paths generation device and Wire Drawing device Active CN103501942B9 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/059996 WO2012144081A1 (en) 2011-04-19 2011-04-19 Tool path generation device and hairline processing apparatus

Publications (3)

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